BioFoam filter foam blocks 3-pack FX4/Fx5 and FX6 series Fluval

Specially designed for Fluval FX4, FX5 and FX6 high-efficiency canister filters, Bio-Foam filter foam blocks provide effective mechanical filtration by trapping large particles and debris.

Main characteristics

Constitute a mass of mechanical filtration;

Effectively trap most trash and debris;

Features a complex foam structure that maintains even water flow and naturally promotes the growth of beneficial bacteria;

Are custom fitted to keep debris out;

Enhance the biological filtration process;

Come in a handy pack of 3;

Should be replaced every 6 months;

Suitable for freshwater and saltwater aquariums.